strings_spec.rb in fakeredis-0.8.0

- old
+ new

@@ -241,12 +241,12 @@
       expect(@client.get("key1")).to eq("value1")
       expect(@client.ttl("key1")).to eq(30)
     end
 
     it "should set the value of a key, only if the key does not exist" do
-      @client.set("key1", "test value")
-      @client.setnx("key1", "new value")
+      expect(@client.setnx("key1", "test value")).to eq(true)
+      expect(@client.setnx("key1", "new value")).to eq(false)
       @client.setnx("key2", "another value")
 
       expect(@client.get("key1")).to eq("test value")
       expect(@client.get("key2")).to eq("another value")
     end
@@ -282,8 +282,37 @@
       @client.set("key1", "foobar")
 
       expect(@client.bitcount("key1", 0, 0)).to eq(4)
       expect(@client.bitcount("key1", 1, 1)).to eq(6)
       expect(@client.bitcount("key1", 0, 1)).to eq(10)
+    end
+
+    describe "#bitpos" do
+      it "should return -1 when there's no key" do
+        expect(@client.bitpos("key", 0)).to eq(-1)
+      end
+
+      it "should return -1 for empty key" do
+        @client.set("key", "")
+        expect(@client.bitpos("key", 0)).to eq(-1)
+      end
+
+      it "should return position of the bit in a string" do
+        @client.set("key", "foobar") # 01100110 01101111 01101111
+        expect(@client.bitpos("key", 1)).to eq(1)
+      end
+
+      it "should return position of the bit correctly with UTF-8 strings" do
+        @client.set("key", "判") # 11100101 10001000 10100100
+        expect(@client.bitpos("key", 0)).to eq(3)
+      end
+
+      it "should return position of the bit in a string given a range" do
+        @client.set("key", "foobar")
+
+        expect(@client.bitpos("key", 1, 0)).to eq(1)
+        expect(@client.bitpos("key", 1, 1, 2)).to eq(9)
+        expect(@client.bitpos("key", 0, 1, -1)).to eq(8)
+      end
     end
   end
 end